How to get a delphi application (that's running) to do something at a particular time/date

Question

My application sits in the system tray when it\'s not being used.

The user can configure events to occur at particular schedule. For example they may way the task p

Answer 1

You could implement some kind of inter process communication in your program and trigger these events via ipc by a program called from the Windows scheduling service. This approach has the advantage that you don't need to write a user interface to set up the schedule and also that ipc might prove useful in other ways.